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Finding the Fourth Proportional to 32,356.20, 48,483.79 and 20,484.84

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Solution

The fourth proportional to 32,356.20, 48,483.79 and 20,484.84 is: 30,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,356.20 : 48,483.79 = 20,484.84 : x
  2. Step 2: Convert to fraction form
    32,356.20/48,483.79 = 20,484.84/x
  3. Step 3: Cross multiply
    32,356.20x = 48,483.79 × 20,484.84
  4. Step 4: Simplify right side
    32,356.20x = 993,182,680.74
  5. Step 5: Solve for x
    x = 993,182,680.74/32,356.20
  6. Step 6: Final answer
    x = 30,695.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.